Which two measures are needed to calculate the distance between the sea floor and the ship.

Asher cycles 12 miles in 16 hours. what is his speed?

Why do astronauts in the space shuttle weigh less?

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.